Survival and Emergency Preparedness

Basically a pulse Ox measures the O2 content of your red blood cells by shining a light through them....It can be affected by dirty fingers, nail polish etc etc. Normal is 95% and above. If it drops below it may indicate a problem as bdcochran said. As I mentioned, I was being checked every day by ...

That is of no relevance to my post, but thanks.

So your response is to be argumentative rather than inquire as to what it is that I’m saying? Ok I guess.

Ok. So what is a pulse ox measuring? And how does that apply? What falsely affects an SPO2 reading? If anyone can find a pulse ox that DOESNT give a HR please post it and let me know…because from my knowledge base they all give HR…well because that’s how they work… Having one and not knowing what it...

tom mac wrote: ↑Thu Jan 19, 2023 9:48 am How about a good cheap way to sharpen knifes ??

Buy a new one

Bob wrote: ↑Fri Jul 15, 2022 2:39 pm HAve we all watched the film? You know, the one with the children's screams removed?

Everyone should watch it with the full audio…

Could just buy ACV gummies- much easier

Haven’t read through this thread but I’m fairly well acquainted w/ B-fengs. They are pretty good. The UV5r I believe broadcasts on 8W and receives on 5W, and then there are designated 8W handhelds as well. Living in the Appalachian mountains we learned that terrain will F you and your Comms. But tha...

The only way I'm starting a fire one handed is with a lighter. You're not kidding! I know there is a ferro rod that you can use one-handed by pushing it but got curious as to if you didn't have a lighter or that specialized ferro rod and instead just had a regular ferro rod. Hit an interesting vide...

Happy New Year!